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lawyer [7]
3 years ago
9

I NEED ALOT OF HELP SOMEONE!

Mathematics
1 answer:
DedPeter [7]3 years ago
4 0
V = 1/3 * 3.14 * 11 * 6^2 = 414.48 m^3

cost = V * 20 = 414.48 * 20 = 8289.60
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mark invests 8000 in an account that pays 12% interest and 2000 in one that pays 8%. if he leaves the money in the accounts for
frez [133]

mark must leave it for 5.5 months or 5 and half moths to gain 5600 in interest​ .

<u>Step-by-step explanation:</u>

Here we have , mark invests 8000 in an account that pays 12% interest and 2000 in one that pays 8%. if he leaves the money in the accounts for the same length of time, We need to find how long must he leave it to gain 5600 in interest​ . Let's find out:

Let mark invests 8000 in an account that pays 12% interest and 2000 in one that pays 8% for time x months , So total interest gain is 5600 i.e.

⇒ \frac{8000(12)}{100}(x) +\frac{2000(8)}{100}(x) =5600

⇒ \frac{8000(12)+2000(8)}{100}(x) =5600

⇒ (80(12)+20(8))(x) =5600

⇒ (960+160)(x) =5600

⇒ (1020)(x) =5600

⇒ x =\frac{5600}{1020}

⇒ x =5.5

Therefore , mark must leave it for 5.5 months or 5 and half moths to gain 5600 in interest​ .

6 0
3 years ago
Determine the first five iterates of f(x)=1.5x(1-x) for x0=0.8
kherson [118]
<span>f(x) = 1.5 x (1 - x)
f(0.8) = 1.5(0.8)(1 - 0.8) = 0.24
f(0.24) = 1.5(0.24)(1 - 0.24) ~= 0.274
f(0.274) = 1.5(0.274)(1 - 0.274) ~= 0.298
f(0.298) = 1.5(0.298)(1 - 0.298) ~= 0.314
f(0.314) = 1.5(0.314)(1 - 0.314) ~= 0.323

</span>So the answer is D : 0.24, 0.274, 0.298, 0.314, 0.323
3 0
3 years ago
5. The perimeter of the shown
Nastasia [14]

Answer:

7 cm

Step-by-step explanation:

An equilateral triangle has all sides equal.

To find the measure of the side, simply divide the perimeter by 3. This is because a triangle has 3 sides.

21 ÷ 3 = 7

3 0
2 years ago
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WHOEVER RESPONDS FIRST WILL GET MARKED BEST. If Kawan paints the visible outside faces of her shed what is the total surface are
DIA [1.3K]

the total area will be the sum of the area of the four sides of the shed. In other words it is the curved surface area

3 0
2 years ago
Please help!
lions [1.4K]
Michelle's result shows f(2) = -13, selection C.
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3 years ago
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